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Troubleshooting
Having this prob lem? Check the follow ing points:
Picture disturbances (horizont
al lines, picture
noise)
► Press the
EXIT / AUTO
button to pe rform
auto-adjustment of the screen.
The screen becomes darker
The background lighting has a limited lifetime.
If your monitor disp lay should become too dark,
the background lighting will have to be replaced.
► Please c ontact our help desk.
A26361-K1333-Z220-1-7619, edition 1 23